Cup holder



FIG. 1 is a perspective view of a cup holder according to our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front side elevation view thereof;

FIG. 4 is a left side elevation view thereof, the opposite side elevation view being a mirror image;

FIG. 5 is a rear elevation view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a cup holder, as shown and described. 